Bike Parts

Service and replacement parts specifically for Trek Knock Block technology. Genuine replacement parts Get your bike back on the trail with the headset parts you need. - Trek proprietary headset components compatible with Trek Knock Block models - 72-degree headset fits 2021 Slash 29 - Includes crown race, bearings, top cover, frame chip & fastener - Frame chip has display tabs to connect Bosch Kiox Mount sold separately - Must be paired with Knock Block stem and Knock Block spacers - Knock Block headset spacers not included

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

- Shimano 105 R7000 Series CS-R7000 11-speed cassette - Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T) Combinations: - 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T - 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T - 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T - 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

The Shimano CN-M9100 features an extended inner link plate that connects seamlessly with chainring teeth for highly efficient drivetrain performance. Its design offers a reduction in natural vibrations normally caused by the inner and outer chain plates rolling onto the chainring. It provides better chain engagement, stronger retention, and smoother pedaling. - Enhancements to shifting performance - Easy connect - Non-reusable - Smoother driving even over bumpy terrain - Compatible with Shimano Quick Link SM-CN910-12 - This chain meets durability requirements for E-MTB applications

BL-M4100 - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-SPEC EV shifting lever BR-MT410 - Long-lasting performance and quick - Easy installation and adjustment - Superior modulation gives you the power you need - Quick piston retraction - Lightweight 2-piston disc brake caliper - Pre-assembled and bled brake lever and caliper, with SM-BH59-SS hose & mineral oil - Without rotor and adapter - One-way bleeding system

• Steel construction on all but the largest aluminum gear • Nickel-plated finish for corrosion and wear resistance • Dyna-sys 11-speed cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance • Fits Dyna-sys 11-speed and current Shimano 9/10-Speed MTB hubs • The largest cog (40t) is positioned inboard and above the drive-side flange • Hubs with tall drive-side flanges may not be compatible due to spoke interference

Shimano's Deore XT Ice-Tech rotors utilize the industry standard 6-bolt mounting system for secure mounting. These rotors use an aluminum core with steel outer plates to better control the temperature of the braking surface. This means quieter braking and, more importantly, less fade on long downhills and improved pad life. The various sizes give you total freedom of choice over the delicate balance of power versus weight.

- Easy Operation And Accurate Shifting - Wide Comfort Lever With Position Adjust - Effortless Multi-Shift - Multi-Shift Speed, Shimano Synchronized Shift - Ergonomic Rotary Switch - Short Stroke Perfect Click (Single Click, Auto Multiple Shift Only) - Customization Of Operation - Suspension Control By Left Switch

Reliable, perfect shifting awaits with Shimano's Deore XT Dyna – Sys Cassette. It features chrome – plated steel sprockets mounted to two aluminum carriers for an ideal blend of durability and low weight. Closer gear ratios in the middle of the cassette ensure you'll have the perfect gear for the trail's ups and downs. Plus, the cogs are ramped and machined for flawless, lightning – fast shifts.

Shimano XT CS-M770 9-Speed Cassette - Aluminum carrier reduces weight and increases rigidity - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Weight: 323 grams

Shimano XT CRM80 1x11 Chainrings - Hollow gear construction for optimized rigidity, weight, and rigidity - Durable teeth using plated steel construction supported by a carbon composite (CFRP) carrier body - Dyna-Sys11 HG-X11 11-speed chain compatible - Chainring BCD: 96 Shimano Asymmetric - Color: Black - Drivetrain Speeds: 11 - Material: Steel/Carbon - Ring Position/Type: Chain Retaining Single Ring - Tooth Count: 30

Shimano Deore XT RT-MT800 Center Lock disc brake rotors feature an advanced heat-dissipating design. - Rotor construction uses Shimano Freeza technology to boost heat dissipation and reduce fade - Quick and easy installation with spline mount and lock ring (included) - Compatible with metal and resin pads

Shimano Deore XT SM-RT86 6-Bolt rotors feature a 3-layer construction with an aluminum core and two stainless steel outer layers. Reducing rotor surface temperature approximately 100 degrees Celsius compared to all-steel rotors, the result is better braking performance and reduced brake fade. - Aluminum spider - Includes rotor fixing bolts and locking washers

Get rad without getting broke. This Multi-Purpose Flat Pedal from Shimano has a wide platform and adjustable pin height to dial in the perfect amount of grip for your preference and riding conditions. - 3 different pin height settings to match different type of riding - 9 pins per platform - Highest setting is+5 mm higher than PD-MX80's pins - Weight: 533g

Shimano's M520s are affordable clipless pedals that are easy to enter and exit, and built to last. They boast dual-sided Shimano SPD bindings, which make them perfect for mountain bikers or roadies who prefer wearing walkable shoes with recessed cleats. The bindings are adjustable for dialing in the perfect entry and exit tension, and they have an open, mud-shedding design that prevents clogging. Chromoly axles and sealed bearings add tons of durability. - 380 grams (pair)

- Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 140mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 96g

Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 160mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 114g

- Shimano's flagship disc brake rotor. Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - The inner aluminum surface of the FREEZA fins is covered with heat-dissipating paint. Providing even more colling performance to reduce brake fade. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 140mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Disc Rotor Weight: 96g

Shimano's 11-speed SLX cassette features the same computer-designed shift profiles that have made Shimano shifting synonymous with speed and accuracy. - Series: SLX - Average Weight: 467g

- Shimano, SM-RT66 Rotor, 220mm, ISO - Stainless steel rotor

SLX SM-RT70 Center Lock rotors deliver powerful and consistent braking performance in all riding conditions. They feature a 3-layer structure (an aluminum core paired with two stainless steel outer layers) that reduces rotor surface temperatures approximately 100 degrees Celsius compared to all-steel rotors. - Aluminum spider - Includes standard type rotor lockring - Requires external-type rotor lockring when installing onto 15/20mm hubs (sold separately)

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

- High-performance gear combinations provide superior rider choice - Hub body to fit a variety of bikes from MTB to road - Model Number: CS-HG800-11 - Series: Shimano - Average Weight: 335 grams

Shimano XT RT86 6-Bolt Disc Rotor - 3-layer structure with aluminum core and two stainless steel outer layers reduces rotor surface temperature approximately 100 degrees Celsius compared to all-steel rotors - Aluminum spider - Includes rotor fixing bolts and non-turn washers - Hub/Disc Compatibility: 6-Bolt Disc - Weight: 173 g - Rotor Size (mm): 203 mm - Rotor Type: Two Piece - Pad Compatibility: All Pad Compounds

Pair Shimano's 1x11 XTR chainring with an XTR rear derailleur and experience a simple, light drivetrain with exceptional chain management. A range of chainring sizes lets you customize your drivetrain for any terrain.

SRAM's 500 TT ergonomic brake levers slice the wind and make a great addition to any aerodynamic speed machine. The return springs provide a solid feel and help prevent brake drag, while the aluminum levers offer pinpoint control for maximum stopping power. Plus, the internal cable routing gives a clean look and top aerodynamics.

Mud and moving parts are enemies in the sport of cyclocross. That's why SRAM decided they were going to simplify things. Remove the front derailleur, increase the range of the cassette, make dropped chains a thing of the past, and you've got a cross drivetrain worthy of hammering. SRAM's CX1 X-Sync Chain Ring is an integral part of that system. It mates to 110 BCD cranks and features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain. It's also specially designed with mud clearing in mind to keep your rig light and fast. A variety of sizes ranging from the spin-to-win 38T to the flat-out 46T let you dial in your rig for your strengths or course.

The SRAM CenterLine XR (CLX-R) rotor works in tandem with the SRAM eTap AXS drivetrain. It's designed specifically for road riding — and to keep braking quiet at every stop. - Streamlined form optimized for road use - CenterLine track offers quiet brake operation - Two-piece design reduces weight

The CenterLine design provides a smooth, consistent, and quiet running braking surface. Rounded edges make for easier wheel installs and are UCI-compliant. - Rounded edges are UCI-compliant and allow for easier wheel installs - Compatible with both road and mountain bike brakes - Includes steel rotor bolts

SRAM's Force CX1 ErgoDynamic levers are descended from the top-end RED, representing SRAM's attempt at perfecting the interface between cyclocross rider and bike. Designed for a 1 x 11 setup, this left-side, brake-only carbon lever is simple and effective. The ErgoFit textured body improves grip and finger wrap with reduced diameter, providing better control and a better transition to the bar. For optimal feel, you can also set your lever reach to fit your hands thanks to Reach Adjust.